Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 4.29
Milk (kg) -189.00 -0.014 2.65
Fat (kg) -1.55 -0.375 0.58
Prot (kg) -2.42 -0.441 1.07
Fertility Sub Index 0.70
Calving Interval (days) 0.49 -1.459 -0.71
Survival (%) 1.27 1.117 1.42
Calving Sub Index -0.94
Gestation Length (days) 1.02 -0.919 -0.94
Beef Sub Index -1.34
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 5.80 -0.432 -2.50
Maintenance Sub Index Maint. Sub Index 5.30
Live WT (kg) -17.30 -0.307 5.30
Total Carbon Sub Index 8.02

* Based on an €80/tonne carbon price